题目内容

特殊消费者指的是身体有残疾的消费者。

A. 正确
B. 错误

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地方政府稳定地区经济、社会发展的职能内容?

()状态显示站名、安全提示、欢迎词等信息。

A. 正常
B. 待机
C. 工作
D. 停机

Examine the command that is used to create a table: SQL> CREATE TABLE orders(oid NUMBER(6) PRIMARY KEY, odate DATE, ccode NUMBER (6), oamtNUMBER(10,2)) TABLESPACE users; Which two statements are true about the effect of the above command()

A CHECK constraint is created on the OID column.
B. A NOT NULL constraint is created on the OID column.
C. The ORDERS table is the only object created in the USERS tablespace.
D. The ORDERS table and a unique index are created in the USERS tablespace.
E. The ORDERS table is created in the USERS tablespace and a unique index is created on the OID columnin the SYSTEM tablespace.

病原体传播方式有哪些?

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